About: http://webisa.webdatacommons.org/155156766

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Physical properties such as friction and thickness also do not apply, although there are mathematical definitions of a knot that take such properties into account.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org